including infections, tuberculosis, lymphoma, other cancers, nervous system and blood disorders, and allergic reactions have occurred. before starting enbrel, your doctor should test you for tuberculosis and discuss whether you've been to a region where certain fungal infections are common. you should not start enbrel if you have an infection like the flu. tell your doct if you're prone to infections, have cuts or sores, have had hepatitis b, have been treated for heart failure, or if you have symptoms such as persistent fever, bruising, bleeding, or palens. nce enbrel helped relieve my joint pain, it's the little things that mean the most. ask your rheumatologist if enbrel is right for you. [ doctor ] enbrel, the number one biologic medicine prescribed by rheumatologists.